Cast List

The following actors are featured in Mystery Science Theater 3000: The Atomic Brain

Trace Beaulieu Also starred in: Mystery Science Theater 3000: Untamed Youth , Mystery Science Theater 3000: Rocket Attack U.S. A. , Mystery Science Theater 3000 - Time Walker

Kevin Murphy Also starred in: RiffTrax: Frankenstein Island , RiffTrax Live: House on Haunted Hill , RiffTrax: The Galaxy Invader

Frank Conniff Also starred in: Mystery Science Theater 3000: Outlaw (Of Gor) , Mystery Science Theater 3000: The Beatniks , Mystery Science Theater 3000: Red Zone Cuba

Mary Jo Pehl Also starred in: RiffTrax Presents: Devil Girl from Mars , RiffTrax Presents High School Hero , Mystery Science Theater 3000: Final Justice

Jim Mallon Also starred in: Mystery Science Theater 3000: Untamed Youth , Mystery Science Theater 3000: Rocket Attack U.S. A. , Mystery Science Theater 3000: Outlaw (Of Gor)

Michael J. Nelson Also starred in: RiffTrax: Frankenstein Island , RiffTrax Live: House on Haunted Hill , RiffTrax: The Galaxy Invader

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